20149461475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1669}}^1$

素因数の和:2021

約数の個数: 72

約数和(自身を含む): 29689887920

約数和(自身を除く): 9540426445

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 307, 325, 605, 715, 1535, 1573, 1669, 3025, 3377, 3575, 3991, 7675, 7865, 8345, 16885, 18359, 19955, 21697, 37147, 39325, 41725, 43901, 84425, 91795, 99775, 108485, 185735, 201949, 219505, 238667, 458975, 482911, 512383, 542425, 928675, 1009745, 1097525, 1193335, 2414555, 2561915, 2625337, 5048725, 5636213, 5966675, 6660979, 12072775, 12809575, 13126685, 28181065, 33304895, 61998343, 65633425, 73270769, 140905325, 166524475, 309991715, 366353845, 805978459, 1549958575, 1831769225, 4029892295, 20149461475]

約数ペア:

[(1, 20149461475), (5, 4029892295), (11, 1831769225), (13, 1549958575), (25, 805978459), (55, 366353845), (65, 309991715), (121, 166524475), (143, 140905325), (275, 73270769), (307, 65633425), (325, 61998343), (605, 33304895), (715, 28181065), (1535, 13126685), (1573, 12809575), (1669, 12072775), (3025, 6660979), (3377, 5966675), (3575, 5636213), (3991, 5048725), (7675, 2625337), (7865, 2561915), (8345, 2414555), (16885, 1193335), (18359, 1097525), (19955, 1009745), (21697, 928675), (37147, 542425), (39325, 512383), (41725, 482911), (43901, 458975), (84425, 238667), (91795, 219505), (99775, 201949), (108485, 185735)]